1000 IU is 25 mcg.
FWIW my kid's daily dose is 10 mcg (400 IU), mine is winter 50 mcg (2000 IU) summer 25 mcg (1000 IU).
1000 IU is 25 mcg.
FWIW my kid's daily dose is 10 mcg (400 IU), mine is winter 50 mcg (2000 IU) summer 25 mcg (1000 IU).